Airplane



FIG. 1 is a perspective view of of the first embodiment of an airplane,showing our new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a perspective of the second embodiment of an airplane;

FIG. 6 is a side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a front view thereof.

Broken lines shown in the drawings illustrate inner portions of theengines that form no part of the claimed design.

CLAIM The ornamental design for an airplane, as shown and described.